L-Theanine – Sleep and Cognitive Support (60 Capsules)

L-Theanine – Sleep and Cognitive Support (60 Capsules)

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About This Product

  • Supports sleep and cognition
  • NSF Certified for Sport®
  • Free of gluten and non-GMO

L-theanine is an amino acid that supports the production of neurotransmitters like GABA and serotonin, and may promote relaxation, sleep, and focus. This Momentous formula delivers 200mg of l-theanine per serving, offering a non-sedating option for managing mental performance and emotional balance throughout the day.

Frequently Asked Questions

What does “NSF Certified for Sport” mean?

Simple: If it’s not on the label, it’s not in the product. This certification ensures potency of ingredients and that there are no banned substances.

What is GABA?

Gamma-aminobutyric acid (GABA) is a neurotransmitter that promotes relaxation while providing stress support.

Directions

Take 1 capsule 30-60 minutes prior to sleep daily or as recommended by your healthcare practitioner.

Read More
Serving Size: 1 Capsule
Number of Servings: 60 Servings
Amount Per Serving
% Daily Value
L-THEANINE 
**%

Other Ingredients:

Rice Flour, Hypromellose, Magnesium Stearate, Silica.

Brand:
Momentous
Form:
Capsules
Strength:
200 MG
Serving Size:
1 Capsule
Number of Servings:
60 Servings
Price per Serving:
($0.67 / serving)
Product Weight:
2  OZ
Specialty Diets:
Gluten Free ,  Non-GMO
Item # :
MOM-16772 / 2708162

  • Mindful Students: This product supports focus and relaxation, assisting students who seek a calm mind to enhance concentration and learning efficiency during study sessions.
  • Busy Professionals: Perfect for individuals who need mental clarity and emotional balance throughout a demanding workday. This supplement supports cognitive function and a steady mood.
  • Health-Conscious Individuals: For those who prioritize natural, gluten-free, and non-GMO supplements, this L-theanine product supports relaxation without added artificial ingredients.
  • Sleep Quality Seekers: Ideal for individuals aiming to enhance their sleep routine. Taking this capsule before bedtime helps promote relaxation and support restful sleep patterns.
  • Individuals with Irregular Schedules: Supports those whose changing work or daily routines make it harder to unwind, focus, and maintain consistent sleep patterns.

211 Ratings
4.8out of 5 stars
211 Ratings

Rated 5 stars by 89% of reviewers

Rated 4 stars by 6% of reviewers

Rated 3 stars by 1% of reviewers

Rated 2 stars by 1% of reviewers

Rated 1 star by 2% of reviewers

Would you recommend?
1-10 of 211 Reviews
Rated 5 out of 5
Mar 9, 2026
Better sleep
Sleep has started to improve.
Rated 5 out of 5
Mar 9, 2026
Help, i can't fall asleep at night! Oh wait, now i can with L-Theanine
I've been struggling with sleep for a couple of years through peri-menopause and now menopause. It could take me hours most nights to fall asleep at night. I have tried everything from limiting screen time and caffeine, taking a magnesium supplement, over the counter and prescription strength sleep aids and my favorite from a health coach was eat turkey before bed for the sleepy properties of tryptophan. None of these inherently helped me fall asleep. Within a week of using L-Theanine I was falling asleep faster than I have for a couple of years. I'm a fan!
Rated 5 out of 5
Mar 5, 2026
Zonkarrific
This stuff works, simple as that. I take one at bedtime, within minutes, zonked out for hours. Don't know how or why, or whether having a mug of tea would do the same. I have no trouble getting to sleep in general, but this assures a quick and effective zonk.
Rated 5 out of 5
Mar 2, 2026
I feel so much...
I feel so much better since starting this amazing product
Rated 5 out of 5
Feb 18, 2026
Amazing
Love that it helps keep me balanced with protein coffee
Rated 5 out of 5
Feb 14, 2026
Clarity and Calm
This product has made a difference in my mood and brain clarity over the past couple of weeks. Highly recommend!
Rated 5 out of 5
Feb 9, 2026
5 Stars
Clean product helpful for better sleep
Rated 5 out of 5
Feb 4, 2026
Mood changer
Can't go a night without it!
Rated 5 out of 5
Jan 19, 2026
Too early to tell much but seems to work well
I just started taking it but it seems to be calming as advertised. I pair it with chamomile tea a few hours before bed.
Rated 5 out of 5
Jan 19, 2026
Sleep aid
Helping my sleep significantly
Disclaimer:

Product reviews are provided for informational purposes only and reflect solely the views and opinions expressed by the contributors and not those of the Vitamin Shoppe. Vitamin Shoppe does not verify or endorse any claims made in these reviews. Please read the full product reviews disclaimer.

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1 Question
Why did you choose this?

I choose the product because I checked the comments of the costumers who have used it and it says that it is a good. I hope so.

For racing mind and excited nervous system

I like sleep

I haven’t been sleeping well and I don’t want to depend on prescriptions to help me sleep. So I’m going to give this a try.

Disclaimer:

Product reviews are provided for informational purposes only and reflect solely the views and opinions expressed by the contributors and not those of the Vitamin Shoppe. Vitamin Shoppe does not verify or endorse any claims made in these reviews. Please read the full product reviews disclaimer.

 

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